. the truck drivertellsusthathis brakes failed and he couldn't avoid smashing into the row of cars at the bottom of a freeway off-ramp. the accident happened at 4:15 this afternoon on the grand avenue exit ramp from eastbound i-80. ktvu's amber lee is live at the scene tonight with our report. amber? >> reporter: frank, this busy off-ramp remains closed as work hes clean up the debris. there was a lot of damage but few injuries. the truck driver who identified himself to us only as tony, says he was on his way home when the brakes failed. he said he had been hauling dirt in oakland. tony estimates he was going 45 miles per hour down the exit ramp when he couldn't stop his truck. he told us he scrambled to find a way to avoid hitting the vehicles in front of him. >> i was looking at that way, you know, the telephone poles and can't go that way. can't go up the hill. can't hit the side of the freeway. i had nowhere to ditch the truck. and i was just like, praying. >> reporter: the truck slammed into a honda causing a chain reaction. 13 vehicles were damaged. some were totalled. >> i